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Create list of single item repeated N times
...t that can be used to create a list if you wish! Let's try that again, but converting to a list:
>>> timeit.timeit('list(itertools.repeat(0, 10))', 'import itertools', number = 1000000)
1.7508119747063233
So if you want a list, use [e] * n. If you want to generate the elements lazily, us...
Match linebreaks - \n or \r\n?
...ex seems to have identified which line ending style you used first, and it converts all additional line endings entered to that style.
I used Notepad++ to paste sample text in Unix and Windows format into Debuggex, and whichever I pasted first is what that session of Debuggex stuck with.
So, you s...
Specifying a custom DateTime format when serializing with Json.Net
...t modify the global settings, then the next best thing is to apply the JsonConverter attribute on an as-needed basis, as you suggested. It turns out Json.Net already has a built-in IsoDateTimeConverter that lets you specify the date format. Unfortunately, you can't set the format via the JsonConve...
How can I “pretty print” a Duration in Java?
...n be created directly, without first creating a Duration instance and then converting it to Period. E.g. Period period = new Period(millis); String formatted = formatter.print(period);
– Basil Vandegriend
Aug 12 '13 at 23:15
...
Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...readers of this answer will want. For a heatmap, though, you would need to convert this to a true matrix.
library(tidyr)
pivot_wider(tmp, names_from = y, values_from = z)
## # A tibble: 2 x 4
## x a b c
## <fct> <dbl> <dbl> <dbl>
## 1 x 1 2 3
##...
Daylight saving time and time zone best practices [closed]
...ost.
When storing whole dates, such as birthdays and anniversaries, do not convert to UTC or any other time zone.
When possible, store in a date-only data type that does not include a time of day.
If such a type is not available, be sure to always ignore the time-of-day when interpreting the value...
Get DateTime.Now with milliseconds precision
...aylight saving transitions, etc.
If your question is actually just around converting a DateTime to a string with millisecond precision, I'd suggest using:
string timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff",
CultureInfo.InvariantCulture...
Loop through a date range with JavaScript
...te without the new constructor just gives you a Date string which you then convert to a Date object anyway?
– tatlar
Sep 10 '14 at 17:52
...
How to change default timezone for Active Record in Rails?
...t config.active_record.default_timezone can take only two values
:local (converts to the timezone defined in config.time_zone)
:utc (converts to UTC)
Here's how you can find all available timezones
rake time:zones:all
...
Use a LIKE statement on SQL Server XML Datatype
...ntions it, you could use:
...nvarchar if there's characters that don't convert to varchar
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